Trails in Wet Areas (continued)

Figure 42—Sausage or encapsulation method.

Rocks or logs can be used for retainers. Rocks last longer. If you use logs, they should be at least 150 mm (6 in) in diameter and peeled. Lay retainer logs in one continuous row along each edge of the trail tread. The logs can be notched to join them, if desired. However, in some species notching may cause the logs to rot faster (Figure 43).

Figure 43—Notched retainer log.

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